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  1. By: Kroodsma, Donald E
    Type: Article
    In: The Wilson bulletin
    Volume: 97
    Issue: 1
    Date: 1985
    Page Range: 21--29
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Bryan, Kelly - Moldenhauer, Ralph - Kroodsma, Donald E
    Type: Article
    In: The Wilson bulletin
    Volume: 99
    Issue: 3
    Date: 1987
    Page Range: 369--376
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Kroodsma, Donald E
    Type: Article
    In: The Wilson bulletin
    Volume: 84
    Issue: 2
    Date: 1972
    Page Range: 173--178
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-